first basic config for nixos-anywhere

configuration.nix

@@ -0,0 +1,36 @@
+{ pkgs, ... }:
+
+{
+  system.stateVersion = "26.05";
+
+  networking.hostName = "server";
+
+  boot.loader.systemd-boot.enable = true;
+  boot.loader.efi.canTouchEfiVariables = true;
+
+  services.openssh = {
+    enable = true;
+
+    settings = {
+      PasswordAuthentication = false;
+      PermitRootLogin = "prohibit-password";
+    };
+  };
+
+  networking.firewall = {
+    enable = true;
+
+    allowedTCPPorts = [
+      22
+      80
+      443
+    ];
+  };
+
+  environment.systemPackages = with pkgs; [
+    git
+    vim
+    curl
+    wget
+  ];
+}